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    Subject[PATCH] Add SA_PERCPU_IRQ flag support
    The generic request_irq/setup_irq code should support the SA_PERCPU_IRQ flag.

    Not sure why it was left out, but this patch adds that support.

    Signed-off-by: Dimitri Sivanich <sivanich@sgi.com>

    Index: linux/kernel/irq/manage.c
    ===================================================================
    --- linux.orig/kernel/irq/manage.c 2006-03-16 14:05:27.957927445 -0600
    +++ linux/kernel/irq/manage.c 2006-03-16 14:06:02.283661867 -0600
    @@ -201,6 +201,9 @@ int setup_irq(unsigned int irq, struct i
    * The following block of code has to be executed atomically
    */
    spin_lock_irqsave(&desc->lock,flags);
    + if (new->flags & SA_PERCPU_IRQ) {
    + desc->status |= IRQ_PER_CPU;
    + }
    p = &desc->action;
    if ((old = *p) != NULL) {
    /* Can't share interrupts unless both agree to */
    -
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